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annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_crc.h @ 319:d8e86af78474 fix-version

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bugfix: correct packed main version number in dive header This fixes a rather mysterious bug. Users report that up to 1.3.5 beta, a correct version number is shown in libdivecomputer based applications (like in Subsurface, in the extra data tab). Careful examining the code in both libdivecomputer and the firmware shows a subtle error in the bit mask and shift operation to pack a full X.Y.Z.beta version number in 2 bytes (as is available in the dive header) in the firmware end (as the libdivecomputer code looks sane, assuming this is the right way to pack things). Likely, this bug crept in in the conversion from the closed source Keil period into the open source GCC setup of the code base. So its impossible to document the exact history of this problem here. Further notice that the main version number is only 1 of 3 version numbers, denoting the full version of the firmware (besides Font and RTE). Finally notice that this way of packing is limited to 2^5 bits (decimal 32), so we could easily build a 1.4.21, but not a 1.4.55. Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author Jan Mulder <jlmulder@xs4all.nl>
date Wed, 19 Jun 2019 14:31:50 +0200
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_crc.h
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4 * @author MCD Application Team
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5 * @brief Header file of CRC HAL module.
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6 ******************************************************************************
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7 * @attention
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8 *
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9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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10 *
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11 * Redistribution and use in source and binary forms, with or without modification,
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12 * are permitted provided that the following conditions are met:
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13 * 1. Redistributions of source code must retain the above copyright notice,
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14 * this list of conditions and the following disclaimer.
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15 * 2. Redistributions in binary form must reproduce the above copyright notice,
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16 * this list of conditions and the following disclaimer in the documentation
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17 * and/or other materials provided with the distribution.
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18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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19 * may be used to endorse or promote products derived from this software
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20 * without specific prior written permission.
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21 *
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22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 *
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33 ******************************************************************************
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34 */
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35
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36 /* Define to prevent recursive inclusion -------------------------------------*/
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37 #ifndef __STM32F4xx_HAL_CRC_H
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38 #define __STM32F4xx_HAL_CRC_H
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39
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40 #ifdef __cplusplus
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41 extern "C" {
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42 #endif
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43
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44 /* Includes ------------------------------------------------------------------*/
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45 #include "stm32f4xx_hal_def.h"
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46
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47 /** @addtogroup STM32F4xx_HAL_Driver
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48 * @{
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49 */
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50
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51 /** @defgroup CRC CRC
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52 * @brief CRC HAL module driver
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53 * @{
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54 */
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55
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56 /* Exported types ------------------------------------------------------------*/
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57 /** @defgroup CRC_Exported_Types CRC Exported Types
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58 * @{
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59 */
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60
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61 /** @defgroup CRC_Exported_Types_Group1 CRC State Structure definition
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62 * @{
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63 */
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64 typedef enum
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65 {
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66 HAL_CRC_STATE_RESET = 0x00U, /*!< CRC not yet initialized or disabled */
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67 HAL_CRC_STATE_READY = 0x01U, /*!< CRC initialized and ready for use */
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68 HAL_CRC_STATE_BUSY = 0x02U, /*!< CRC internal process is ongoing */
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69 HAL_CRC_STATE_TIMEOUT = 0x03U, /*!< CRC timeout state */
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70 HAL_CRC_STATE_ERROR = 0x04U /*!< CRC error state */
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71
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72 }HAL_CRC_StateTypeDef;
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73 /**
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74 * @}
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75 */
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76
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77 /** @defgroup CRC_Exported_Types_Group2 CRC Handle Structure definition
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78 * @{
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79 */
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80 typedef struct
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81 {
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82 CRC_TypeDef *Instance; /*!< Register base address */
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83
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84 HAL_LockTypeDef Lock; /*!< CRC locking object */
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85
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86 __IO HAL_CRC_StateTypeDef State; /*!< CRC communication state */
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87
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88 }CRC_HandleTypeDef;
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89 /**
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90 * @}
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91 */
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92
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93 /**
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94 * @}
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95 */
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96
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97 /* Exported constants --------------------------------------------------------*/
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98 /* Exported macro ------------------------------------------------------------*/
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99 /** @defgroup CRC_Exported_Macros CRC Exported Macros
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100 * @{
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101 */
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102
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103 /** @brief Resets CRC handle state
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104 * @param __HANDLE__ CRC handle
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105 * @retval None
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106 */
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107 #define __HAL_CRC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CRC_STATE_RESET)
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108
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109 /**
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110 * @brief Resets CRC Data Register.
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111 * @param __HANDLE__ CRC handle
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112 * @retval None
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113 */
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114 #define __HAL_CRC_DR_RESET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRC_CR_RESET)
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115
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116 /**
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117 * @brief Stores a 8-bit data in the Independent Data(ID) register.
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118 * @param __HANDLE__ CRC handle
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119 * @param __VALUE__ 8-bit value to be stored in the ID register
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120 * @retval None
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121 */
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122 #define __HAL_CRC_SET_IDR(__HANDLE__, __VALUE__) (WRITE_REG((__HANDLE__)->Instance->IDR, (__VALUE__)))
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123
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124 /**
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125 * @brief Returns the 8-bit data stored in the Independent Data(ID) register.
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126 * @param __HANDLE__ CRC handle
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127 * @retval 8-bit value of the ID register
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128 */
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129 #define __HAL_CRC_GET_IDR(__HANDLE__) (((__HANDLE__)->Instance->IDR) & CRC_IDR_IDR)
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130 /**
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131 * @}
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132 */
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133
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134 /* Exported functions --------------------------------------------------------*/
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135 /** @defgroup CRC_Exported_Functions CRC Exported Functions
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136 * @{
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137 */
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138
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139 /** @defgroup CRC_Exported_Functions_Group1 Initialization and de-initialization functions
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140 * @{
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141 */
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142 HAL_StatusTypeDef HAL_CRC_Init(CRC_HandleTypeDef *hcrc);
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143 HAL_StatusTypeDef HAL_CRC_DeInit (CRC_HandleTypeDef *hcrc);
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144 void HAL_CRC_MspInit(CRC_HandleTypeDef *hcrc);
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145 void HAL_CRC_MspDeInit(CRC_HandleTypeDef *hcrc);
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146 /**
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147 * @}
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148 */
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149
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150 /** @defgroup CRC_Exported_Functions_Group2 Peripheral Control functions
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151 * @{
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152 */
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153 uint32_t HAL_CRC_Accumulate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength);
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154 uint32_t HAL_CRC_Calculate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength);
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155 /**
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156 * @}
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157 */
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158
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159 /** @defgroup CRC_Exported_Functions_Group3 Peripheral State functions
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160 * @{
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161 */
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162 HAL_CRC_StateTypeDef HAL_CRC_GetState(CRC_HandleTypeDef *hcrc);
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163 /**
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164 * @}
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165 */
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166
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167 /**
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168 * @}
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169 */
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170 /* Private types -------------------------------------------------------------*/
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171 /** @defgroup CRC_Private_Types CRC Private Types
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172 * @{
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173 */
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174
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175 /**
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176 * @}
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177 */
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178
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179 /* Private defines -----------------------------------------------------------*/
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180 /** @defgroup CRC_Private_Defines CRC Private Defines
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181 * @{
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182 */
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183
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184 /**
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185 * @}
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186 */
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187
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188 /* Private variables ---------------------------------------------------------*/
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189 /** @defgroup CRC_Private_Variables CRC Private Variables
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190 * @{
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191 */
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192
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193 /**
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194 * @}
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195 */
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196
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197 /* Private constants ---------------------------------------------------------*/
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198 /** @defgroup CRC_Private_Constants CRC Private Constants
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199 * @{
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200 */
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201
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202 /**
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203 * @}
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204 */
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205
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206 /* Private macros ------------------------------------------------------------*/
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207 /** @defgroup CRC_Private_Macros CRC Private Macros
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208 * @{
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209 */
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210
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211 /**
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212 * @}
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213 */
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214
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215 /* Private functions prototypes ----------------------------------------------*/
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216 /** @defgroup CRC_Private_Functions_Prototypes CRC Private Functions Prototypes
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217 * @{
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218 */
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219
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220 /**
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221 * @}
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222 */
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223
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224 /* Private functions ---------------------------------------------------------*/
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225 /** @defgroup CRC_Private_Functions CRC Private Functions
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226 * @{
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227 */
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228
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229 /**
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230 * @}
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231 */
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232
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233 /**
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234 * @}
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235 */
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236
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237 /**
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238 * @}
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239 */
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240
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241 #ifdef __cplusplus
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242 }
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243 #endif
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244
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245 #endif /* __STM32F4xx_HAL_CRC_H */
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246
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247 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/